mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
e23c3a13e3
* commit '90b1b9350c0a97c4065ae9054b83e57f48a0de1f': arm: add ff_int32_to_float_fmul_array8_neon Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
89 lines
3.0 KiB
ArmAsm
89 lines
3.0 KiB
ArmAsm
/*
|
|
* ARM NEON optimised Format Conversion Utils
|
|
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
|
|
* Copyright (c) 2015 Janne Grunau <janne-libav@jannau.net>b
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "libavutil/arm/asm.S"
|
|
|
|
function ff_int32_to_float_fmul_scalar_neon, export=1
|
|
VFP vdup.32 q0, d0[0]
|
|
VFP len .req r2
|
|
NOVFP vdup.32 q0, r2
|
|
NOVFP len .req r3
|
|
|
|
vld1.32 {q1},[r1,:128]!
|
|
vcvt.f32.s32 q3, q1
|
|
vld1.32 {q2},[r1,:128]!
|
|
vcvt.f32.s32 q8, q2
|
|
1: subs len, len, #8
|
|
pld [r1, #16]
|
|
vmul.f32 q9, q3, q0
|
|
vmul.f32 q10, q8, q0
|
|
beq 2f
|
|
vld1.32 {q1},[r1,:128]!
|
|
vcvt.f32.s32 q3, q1
|
|
vld1.32 {q2},[r1,:128]!
|
|
vcvt.f32.s32 q8, q2
|
|
vst1.32 {q9}, [r0,:128]!
|
|
vst1.32 {q10},[r0,:128]!
|
|
b 1b
|
|
2: vst1.32 {q9}, [r0,:128]!
|
|
vst1.32 {q10},[r0,:128]!
|
|
bx lr
|
|
.unreq len
|
|
endfunc
|
|
|
|
function ff_int32_to_float_fmul_array8_neon, export=1
|
|
ldr r0, [sp]
|
|
lsr r0, r0, #3
|
|
subs r0, r0, #1
|
|
beq 1f
|
|
2:
|
|
vld1.32 {q0-q1}, [r2,:128]!
|
|
vld1.32 {q2-q3}, [r2,:128]!
|
|
vld1.32 {d20}, [r3]!
|
|
subs r0, r0, #2
|
|
vcvt.f32.s32 q0, q0
|
|
vcvt.f32.s32 q1, q1
|
|
vdup.32 q8, d20[0]
|
|
vcvt.f32.s32 q2, q2
|
|
vcvt.f32.s32 q3, q3
|
|
vmul.f32 q0, q0, q8
|
|
vdup.32 q9, d20[1]
|
|
vmul.f32 q1, q1, q8
|
|
vmul.f32 q2, q2, q9
|
|
vmul.f32 q3, q3, q9
|
|
vst1.32 {q0-q1}, [r1,:128]!
|
|
vst1.32 {q2-q3}, [r1,:128]!
|
|
bgt 2b
|
|
it lt
|
|
bxlt lr
|
|
1:
|
|
vld1.32 {q0-q1}, [r2,:128]
|
|
vld1.32 {d16[],d17[]}, [r3]
|
|
vcvt.f32.s32 q0, q0
|
|
vcvt.f32.s32 q1, q1
|
|
vmul.f32 q0, q0, q8
|
|
vmul.f32 q1, q1, q8
|
|
vst1.32 {q0-q1}, [r1,:128]
|
|
bx lr
|
|
endfunc
|